feat: add emoji picker to chat room message input

- Integrated emoji-picker-element library for emoji selection
- Added emoji toggle button in message input container
- Implemented emoji picker show/hide functionality
- Created CSS styles for emoji picker positioning
- Added event handling for emoji selection and outside click
- Updated package.json to include emoji-picker-element dependency
- Modified Prisma schema to use TEXT type for message content
- Updated Prisma migration scripts to use dotenv for environment configuration

apps/web/package.json

@@ -11,6 +11,7 @@
   "dependencies": {
     "@urql/core": "^5.1.1",
     "@urql/solid": "^0.1.2",
+    "emoji-picker-element": "^1.26.1",
     "graphql-ws": "^6.0.4",
     "solid-js": "^1.9.5",
     "zod": "^3.24.2"